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TB Optimization
I have read some comments about some improved throttle response.
All bull-sh#t aside, is this modification really worth anything?
...dating my cousin.
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For the most part, it's free (mine cost $0.90 for two stainless screws). You will feel an improved throttle response which is always good. If you're running a cold air intake, and plan on doing anything to the exhaust.. it's pretty much a must. As for gains... I have no dyno results, so I'll leave that for someone else.
~Eric
2000 CSVT Silver Frost: #942 of 2150
HID Projectors and Fog Light Mod, Optomized TB, MSDS headers
2003 Silverstone Z
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Thanks for the reply.
I have extensive mods but not this one. I do not want to waste my time digging up a countersink bit and pulling crap off her for an imaginary improvement.
However, as many indicate that throtte response improves I may give it a try.
Last edited by slim_jimmy; 10/21/05 12:40 AM.
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Here's my impression:
You won't feel [censored]! It is a placebo. Waste your money on something else.
The point at which an optimized throttlebody actually makes a difference will be well after you maximized your intake and exhaust and probably after you ported your intake and heads AND maybe did cams. And then ONLY if you were limited by your throttle body instead of being allowed to get a bigger one.
Bottom line, it is the last thing I'd do and only if I were in a restricted racing class that was restricted by throttle body diameter.
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black
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You get a little better throttle response.
It takes very little time.
Any time you improve the airflow quality it is a good thing.
Things like this are cumulative.
Any power gain would be within the realm of deviation on a dyno.
2000 SVT #674
13.47 @ 102 - All Motor!
It was not broke; Yet I fixed it anyway.
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Originally posted by DemonSVT:
  
You OK? You normally would have trashed me on this by now. 
I'm surprised Brad hasn't blind sided me with the word "Secondary" either. 
So, yeah yeah. That portion has its merrit.
Just so I don't scare this guy let me agree a little bit and say it is about crafstmanship. If you have the time and you choose to optimize it....it definitely can't hurt unless you screw it up. It also looks very nice, and as he said it could help throttle response. Mostly though, IMO it's like putting that extra coat of polish on the car.
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black
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Originally posted by DemonSVT:
You get a little better throttle response.
It takes very little time.
Any time you improve the airflow quality it is a good thing.
Things like this are cumulative.
Any power gain would be within the realm of deviation on a dyno.
to me you said adding even a 65mm throttle body is ok then, since it improves airflow by letting more in...i'm doing it anyways, some people have reported losses, and some have reported gains...it's always gonna be a controversy.
Failure is simply the opportunity to begin again, this time more intelligently.
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Originally posted by G�¨t�£uck�¥151:
Originally posted by DemonSVT:
You get a little better throttle response.
It takes very little time.
Any time you improve the airflow quality it is a good thing.
Things like this are cumulative.
Any power gain would be within the realm of deviation on a dyno.
to me you said adding even a 65mm throttle body is ok then, since it improves airflow by letting more in...i'm doing it anyways, some people have reported losses, and some have reported gains...it's always gonna be a controversy.
Psst. I specifically stated "Airflow Quality" and not maximum CFM flow or increase.
That is less turbulent & less rippled air flow patterns. That will equate to better cylinder filling by improving efficiency.
Improving efficiency means "the same airflow" with less restriction and better air flow quality. The engine will pull in a little more air from this improved efficiency but it will be minor. (part of that small gain I also mentioned previously)
2000 SVT #674
13.47 @ 102 - All Motor!
It was not broke; Yet I fixed it anyway.
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Originally posted by DemonSVT:
Originally posted by G�¨t�£uck�¥151:
Originally posted by DemonSVT:
You get a little better throttle response.
It takes very little time.
Any time you improve the airflow quality it is a good thing.
Things like this are cumulative.
Any power gain would be within the realm of deviation on a dyno.
to me you said adding even a 65mm throttle body is ok then, since it improves airflow by letting more in...i'm doing it anyways, some people have reported losses, and some have reported gains...it's always gonna be a controversy.
Psst. I specifically stated "Airflow Quality" and not maximum CFM flow or increase.
That is less turbulent & less rippled air flow patterns. That will equate to better cylinder filling by improving efficiency.
Improving efficiency means "the same airflow" with less restriction and better air flow quality. The engine will pull in a little more air from this improved efficiency but it will be minor. (part of that small gain I also mentioned previously)
i'm still doin it.
Failure is simply the opportunity to begin again, this time more intelligently.
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Originally posted by warmonger:
Here's my impression:
You won't feel [censored]! It is a placebo. Waste your money on something else.
The point at which an optimized throttlebody actually makes a difference will be well after you maximized your intake and exhaust and probably after you ported your intake and heads AND maybe did cams. And then ONLY if you were limited by your throttle body instead of being allowed to get a bigger one.
Bottom line, it is the last thing I'd do and only if I were in a restricted racing class that was restricted by throttle body diameter.
I would tend to agree with this.
...dating my cousin.
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